We have an exciting announcement about badges coming in May 2025. Until then, we will temporarily stop issuing new badges for course completions and certifications. However, all completions will be recorded and fulfilled after May 2025.
John Doyle
Ansys Employee

DED does not use the double-ellipsoidal heat source model (proposed by Goldak).

You might be able to write a user routine.  Please see MAPDL Programmers Reference Manual for details.

Programmer's Reference (ansys.com)